Portable display



FIG. 1 is a perspective view of a portable display showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines and areas within the broken lines depict portions of the portable display that form no part of the claimed design. 

CLAIM The ornamental design for a portable display, as shown and described. 